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Biotechnology & Biotechnological Equipment 21 (2), 172 - 176 (2007)
GROWTH CHARACTERISTICS OF TWENTY LACTOBACILLUS DELBRUECKII STRAINS ISOLATED FROM BULGARIAN HOME MADE YOGHURTS
S. Dimov1, N. Kirilov2, S. Peykov1, I. Ivanova2
- Sofia University “St. Kliment Ohridski”, Faculty of Biology, Dept. of Genetics, Sofia Bulgaria
- Sofia University “St. Kliment Ohridski”, Faculty of Biology, Dept. of General and Applied Microbiology, Sofia, Bulgaria
Correspondence to: S. Dimov E-mail: svetoslav@biofac.uni-sofia.bg
Abstract
Among other microorganisms twenty Lactobacillus strains were isolated from home made yoghurts from different sources across Bulgaria. 13 strains were obtained from yoghurts prepared from cow milks while the origin of another 4 strains were sheep’s milks, and 3 buffalo’s milk yoghurts. The strains were previously classified with API tests to belong to the species Lactobacillus delbrueckii. In this study their growth characteristics at different temperatures were obtained, and a simplified mathematical growth model was proposed.
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